Before this century ends, the Southwest and Central Plains states are likely to shrivel under a decades-long megadrought worse than those that ended the Ancestral Pueblo civilization in the last millennia, a new study finds.

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Dec 5, 2012; 5:00 AM ET
Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.